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Corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator and preparation method thereof

A technology of honeycomb ceramics and regenerators, applied in ceramic products, other household appliances, applications, etc., to achieve the effects of low extrusion pressure, good drying performance and large viscosity coefficient

Inactive Publication Date: 2018-06-19
HUBEI SHENWU THERMAL ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an erosion-resistant magnesia-aluminum honeycomb ceramic regenerator and its preparation method to solve the existing problems in the above-mentioned background technology

Method used

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  • Corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0019] An erosion-resistant magnesium-aluminum honeycomb ceramic regenerator, characterized in that the ceramic regenerator mainly consists of the following components: 20 parts of silicon dioxide, 30 parts of titanium dioxide, 10 parts of dense fused corundum fine powder, 5 parts of iron oxide 15 parts of chromium oxide green micropowder, 15 parts of 0.1-1mm chrome ore powder, 2 parts of aluminate cement, 1 part of silicon micropowder, 3 parts of chlorinated polyethylene, 5 parts of maleic acid-acrylic acid copolymer, hydroxypropyl 12 parts of methyl cellulose, 3 parts of phthalate, 2 parts of monoethanolamine and 1 part of stearic acid are prepared by stirring, casting, drying and calcining.

[0020] The preparation method of the corrosion-resistant magnesium-aluminum honeycomb ceramic regenerator comprises the following steps:

[0021] (1) Mud kneading:

[0022] i) Weigh silicon dioxide, titanium dioxide, dense fused corundum fine powder, iron oxide, chromium oxide green f...

Embodiment 2

[0031] An erosion-resistant magnesium-aluminum honeycomb ceramic regenerator, characterized in that the ceramic regenerator mainly consists of the following components: 25 parts of silicon dioxide, 25 parts of titanium dioxide, 15 parts of dense fused corundum fine powder, 8 parts of iron oxide 10 parts of chromium oxide green micropowder, 10 parts of 0.1-1mm chrome ore powder, 3 parts of aluminate cement, 2 parts of silicon micropowder, 5 parts of chlorinated polyethylene, 4 parts of maleic acid-acrylic acid copolymer, hydroxypropyl 11 parts of methyl cellulose, 3 parts of phthalate, 2 parts of monoethanolamine and 2 parts of stearic acid are prepared by stirring, casting, drying and calcining.

[0032] The preparation method of the corrosion-resistant magnesium-aluminum honeycomb ceramic regenerator comprises the following steps:

[0033] (1) Mud kneading:

[0034] i) Weigh silicon dioxide, titanium dioxide, dense fused corundum fine powder, iron oxide, chromium oxide green...

Embodiment 3

[0043]An erosion-resistant magnesium-aluminum honeycomb ceramic regenerator, characterized in that the ceramic regenerator mainly consists of the following components: 30 parts of silicon dioxide, 20 parts of titanium dioxide, 20 parts of dense fused corundum fine powder, 10 parts of iron oxide 5 parts of chromium oxide green micropowder, 5 parts of 0.1-1mm chrome ore powder, 4 parts of aluminate cement, 3 parts of silicon micropowder, 6 parts of chlorinated polyethylene, 3 parts of maleic acid-acrylic acid copolymer, hydroxypropyl 10 parts of methyl cellulose, 2 parts of phthalate, 3 parts of monoethanolamine and 3 parts of stearic acid are prepared by stirring, casting, drying and calcining.

[0044] The preparation method of the corrosion-resistant magnesium-aluminum honeycomb ceramic regenerator comprises the following steps:

[0045] (1) Mud kneading:

[0046] i) Weigh silicon dioxide, titanium dioxide, dense fused corundum fine powder, iron oxide, chromium oxide green f...

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Abstract

The invention discloses a corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator and a preparation method thereof, and the corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator characterized by being prepared mainly from the following components: 20-30 parts of silica, 20-30 parts of titanium dioxide, 10 to 20 parts of dense fused corundum fine powder, 5 to 10 parts of iron oxide, 5 to 15 parts of chrome oxide green micro powder, 5 to 15 parts of chrome ore powder of 0.1 to 1 mm, 2 to 4 parts of aluminate cement, 1 to 3 parts of silicon micropowder, 3 to6 parts of chlorinated polyethylene, 3 to 5 parts of maleic acid-acrylic acid copolymer, 10 to 12 parts of hydroxypropyl methylcellulose, 2 to 3 parts of phthalic acid ester, 2 to 3 parts of monoethanolamine and 1-3 parts of stearic acid by stirring, casting molding, drying and calcining. The corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator has a large viscosity coefficient and extrusion pressure lower than that of other mud systems, and has little wear on equipment. At the same time, the corrosion-resistant magnesium-aluminum honeycomb ceramic heat accumulator has good drying properties and does not crack in the air for two hours.

Description

technical field [0001] The invention relates to the field of manufacturing honeycomb ceramic regenerators, in particular to an erosion-resistant magnesium-aluminum honeycomb ceramic regenerator and a preparation method thereof. Background technique [0002] Honeycomb ceramics are widely used in regenerators, catalysts and their carriers, and ceramic membrane carriers for flue gas filtration due to their large specific surface area, large heat capacity, small thermal expansion coefficient, good high temperature resistance, and strong corrosion resistance. Especially in the field of regenerative combustion technology, regenerative honeycomb ceramics are widely used in industrial kilns such as heating furnaces due to their good heat storage and release performance, high temperature performance and thermal shock resistance. With the development of regenerative combustion technology and the emergence of direct reduction ironmaking technology, a honeycomb body with strong resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/14C04B35/46C04B38/00
CPCC04B35/14C04B35/46C04B38/0006C04B2235/3217C04B2235/3222C04B2235/3241C04B2235/3272C04B2235/3418C04B2235/77C04B2235/96C04B2235/9669C04B38/0067C04B38/0074
Inventor 吴道君李军营杨晓波王辉
Owner HUBEI SHENWU THERMAL ENERGY TECH
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